Receive Gain - H3C MSR 20-20 Command Reference Manual

2604 C 173: V IP C
HAPTER O
Description
Example

receive gain

Syntax
View
Parameter
Description
Related command:
Example
C
ONFIGURATION OMMANDS
specific: Uses the specific algorithm provided by the voice gateway.
Use the plc-mode
the analog FXS/FXO voice subscriber line.
Use the
undo plc-mode
By default, the gateway-specific algorithm is used for packet loss compensation.
# Configure the voice gateway to use the universal packet loss compensation
algorithm.
<Sysname> system-view
[Sysname] voice-setup
[Sysname-voice] subscriber-line 1/0
[Sysname-voice-line1/0] plc-mode general
receive gain value
undo receive gain
FXS/FXO/E&M voice subscriber line view
value: Voice input gain in dB, in the range of -14.0 to +13.9 with one digit after
the decimal point.
Use the
receive gain
subscriber line input end.
Use the
undo receive gain
By default, the input gain on the voice interface is 0 dB.
This command is applicable to FXO, FXS, analog E&M subscriber lines and digital
E1 voice subscriber line.
When the voice signal on the line attenuates to a relatively great extent, this
command can be used to appropriately enhance the voice input gain.
transmit gain and subscriber-line.
# Configure the voice input gain as 3.5dB on subscriber line 1/0.
<Sysname> system-view
[Sysname] voice-setup
[Sysname-voice] subscriber-line 1/0
[Sysname-voice-line1/0] receive gain 3.5
c
CAUTION: Gain adjustment may lead to a call failure. You are not recommended
to adjust the gain. If necessary, do it with the guidance of technical personnel.
command to configure a packet loss compensation mode for
command to restore the default.
command to configure the gain value at the voice
command to restore the default.